
<template>
  <div>
    <div class="gva-form-box">
      <el-form :model="formData" ref="elFormRef" label-position="right" :rules="rule" label-width="80px">
        <el-form-item label="商品id:" prop="productId">
    <el-input v-model.number="formData.productId" :clearable="true" placeholder="请输入商品id" />
</el-form-item>
        <el-form-item label="品牌:" prop="brandId">
    <el-input v-model.number="formData.brandId" :clearable="true" placeholder="请输入品牌" />
</el-form-item>
        <el-form-item label="分类:" prop="categoryId">
    <el-input v-model.number="formData.categoryId" :clearable="true" placeholder="请输入分类" />
</el-form-item>
        <el-form-item label="商品名:" prop="name">
    <el-input v-model="formData.name" :clearable="true" placeholder="请输入商品名" />
</el-form-item>
        <el-form-item label="价格:" prop="price">
    <el-input-number v-model="formData.price" style="width:100%" :precision="2" :clearable="true" />
</el-form-item>
        <el-form-item label="库存:" prop="stock">
    <el-input v-model.number="formData.stock" :clearable="true" placeholder="请输入库存" />
</el-form-item>
        <el-form-item label="图片:" prop="imgUrl">
    <el-input v-model="formData.imgUrl" :clearable="true" placeholder="请输入图片" />
</el-form-item>
        <el-form-item label="状态:" prop="status">
    <el-select v-model="formData.status" placeholder="请选择状态" style="width:100%" filterable :clearable="true">
        <el-option v-for="(item,key) in product_statusOptions" :key="key" :label="item.label" :value="item.value" />
    </el-select>
</el-form-item>
        <el-form-item label="新建时间:" prop="createTime">
    <el-date-picker v-model="formData.createTime" type="date" style="width:100%" placeholder="选择日期" :clearable="true" />
</el-form-item>
        <el-form-item>
          <el-button :loading="btnLoading" type="primary" @click="save">保存</el-button>
          <el-button type="primary" @click="back">返回</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import {
  createProduct,
  updateProduct,
  findProduct
} from '@/api/product/product'

defineOptions({
    name: 'ProductForm'
})

// 自动获取字典
import { getDictFunc } from '@/utils/format'
import { useRoute, useRouter } from "vue-router"
import { ElMessage } from 'element-plus'
import { ref, reactive } from 'vue'


const route = useRoute()
const router = useRouter()

// 提交按钮loading
const btnLoading = ref(false)

const type = ref('')
const product_statusOptions = ref([])
const formData = ref({
            productId: undefined,
            brandId: undefined,
            categoryId: undefined,
            name: '',
            price: 0,
            stock: undefined,
            imgUrl: '',
            status: '',
            createTime: new Date(),
        })
// 验证规则
const rule = reactive({
               brandId : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
               categoryId : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
               name : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
               price : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
               stock : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
               status : [{
                   required: true,
                   message: '',
                   trigger: ['input','blur'],
               }],
})

const elFormRef = ref()

// 初始化方法
const init = async () => {
 // 建议通过url传参获取目标数据ID 调用 find方法进行查询数据操作 从而决定本页面是create还是update 以下为id作为url参数示例
    if (route.query.id) {
      const res = await findProduct({ ID: route.query.id })
      if (res.code === 0) {
        formData.value = res.data
        type.value = 'update'
      }
    } else {
      type.value = 'create'
    }
    product_statusOptions.value = await getDictFunc('product_status')
}

init()
// 保存按钮
const save = async() => {
      btnLoading.value = true
      elFormRef.value?.validate( async (valid) => {
         if (!valid) return btnLoading.value = false
            let res
           switch (type.value) {
             case 'create':
               res = await createProduct(formData.value)
               break
             case 'update':
               res = await updateProduct(formData.value)
               break
             default:
               res = await createProduct(formData.value)
               break
           }
           btnLoading.value = false
           if (res.code === 0) {
             ElMessage({
               type: 'success',
               message: '创建/更改成功'
             })
           }
       })
}

// 返回按钮
const back = () => {
    router.go(-1)
}

</script>

<style>
</style>
